CN111890141A - Automatic feeding and discharging device and method for precision grinding machine - Google Patents
Automatic feeding and discharging device and method for precision grinding machine Download PDFInfo
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- CN111890141A CN111890141A CN202010908557.0A CN202010908557A CN111890141A CN 111890141 A CN111890141 A CN 111890141A CN 202010908557 A CN202010908557 A CN 202010908557A CN 111890141 A CN111890141 A CN 111890141A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/60—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools not covered by the preceding subgroups
- B24B3/605—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools not covered by the preceding subgroups of surgical or dental instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgery (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses an automatic loading and unloading device for a precision grinding machine, which comprises: a base; the transverse moving assembly is erected on the base; the material taking assembly is arranged on the transverse moving assembly and can move in the x-axis direction relative to the base under the action of the transverse moving assembly, the material taking assembly comprises a first power mechanism and a clamping mechanism connected with the first power mechanism, and the clamping mechanism can rotate between the x axis and the z axis under the action of the first power mechanism; and the longitudinal feeding assembly is arranged on the base and positioned below the transverse moving assembly, and is used for feeding materials in the y-axis direction. The invention has the advantages of realizing the accurate feeding and discharging grinding of the scalpel blade with smaller size, improving the production efficiency, having high feeding and discharging efficiency and good safety performance.
Description
Technical Field
The invention belongs to the technical field of machining of precision grinding machines, and particularly relates to an automatic feeding and discharging device and a feeding and discharging method for a precision grinding machine.
Background
The scalpel is one of the most commonly used medical instruments in surgical operations, and the scalpel consists of a hilt and a blade arranged on the hilt, wherein the hilt is a component which is repeatedly used for many times under normal conditions, and the blade is a disposable product, so the demand is high. However, the production of surgical blades has been considered to be a labor intensive processing field, and particularly, the blades have small sizes and high requirements for consistency of the cutting edges, and automatic feeding and discharging are not easy to perform, so that the production efficiency is low.
Therefore, in order to solve the above technical problems, it is necessary to provide an automatic loading and unloading device and an automatic loading and unloading method for a precision grinding machine.
Disclosure of Invention
The invention aims to provide an automatic feeding and discharging device and a feeding and discharging method for a precision grinding machine, and aims to solve the problems in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
in one embodiment, an automatic loading and unloading device for a precision grinding machine is provided, which comprises:
a base;
the transverse moving assembly is erected on the base;
the material taking assembly is arranged on the transverse moving assembly and can move in the x-axis direction relative to the base under the action of the transverse moving assembly, the material taking assembly comprises a first power mechanism and a clamping mechanism connected with the first power mechanism, and the clamping mechanism can rotate between the x axis and the z axis under the action of the first power mechanism;
and the longitudinal feeding assembly is arranged on the base and positioned below the transverse moving assembly, and is used for feeding materials in the y-axis direction.
As a further improvement of the present invention, the lateral moving assembly comprises:
the first casting base is erected on the base and is provided with a first group of parallel linear guide rails;
the support is arranged on the linear guide rail through a sliding table;
and the second power mechanism is arranged on the base and connected with the support, and drives the support to move in the x-axis direction relative to the first casting base.
As a further improvement of the invention, the second power mechanism comprises a first servo motor, a first motor flange seat, a first coupler, a first ball screw, a first screw support seat and a first screw fixing seat;
the first servo motor is fixed on the first casting base through the first motor flange seat;
the first ball screw is fixed on the first casting base through the first screw support seat and the first screw fixing seat, and the first ball screw is connected with the first servo motor through the first coupler;
the nut of the first ball screw is connected with the nut support in a switching mode, and the nut support and the sliding table jointly bear the support.
As a further improvement of the present invention, the first power mechanism includes:
the servo motor II is arranged on the support and connected with the clamping mechanism to realize the periodic reciprocating swing of the clamping mechanism between the x axis and the z axis;
and the planetary reducer is arranged between the second servo motor and the clamping mechanism and used for reducing the speed of the second servo motor.
As a further improvement of the invention, the support comprises a bottom plate and a side plate which is perpendicular to the bottom plate, a through hole is formed in the center of the side plate, and the gap between the through hole and the output shaft of the planetary reducer is 2 mm.
As a further improvement of the present invention, the clamping mechanism includes:
the supporting plate is arranged on an output shaft of the planetary reducer;
the air cylinder assembly is arranged on the supporting plate;
the clamping jaw seat is connected to an output shaft of the air cylinder assembly;
the parallel pneumatic fingers are fixedly arranged on the clamping jaw seats; and
and the clamping jaw assembly is connected with the parallel pneumatic fingers and can grab the materials under the action of the parallel pneumatic fingers.
As a further improvement of the invention, the output shaft of the planetary reducer passes through the through hole and is in threaded connection with the support plate.
As a further improvement of the invention, the clamping jaw assembly comprises a plurality of groups of clamping jaw structures which are arranged on the parallel pneumatic fingers in parallel, and each group of clamping jaw structures can clamp one material.
As a further improvement of the invention, the longitudinal feeding assembly comprises:
the second casting base is erected on the base and is provided with a second group of parallel linear guide rails;
the connecting plate is arranged on the linear guide rail through a sliding table;
the jig plate is fixedly arranged on the connecting plate and used for bearing materials;
and the third power mechanism is arranged on the base and connected with the connecting plate, and drives the connecting plate to move in the y-axis direction relative to the second casting base.
As a further improvement of the invention, the third power mechanism comprises a third servo motor, a second motor flange seat, a second coupler, a second ball screw, a second screw support seat and a second screw fixing seat;
the servo motor III is fixed on the second casting base through the second motor flange seat;
the second ball screw is fixed on the second casting base through the second screw support seat and the second screw fixing seat, and the second ball screw is connected with the third servo motor through the second coupler;
and the nut of the second ball screw is connected with a nut support, and the nut support and the sliding table jointly bear the connecting plate.
In the technical scheme, when the first and second ball screws are arranged on the first and second screw fixing seats, the first and second ball screws are further limited through the shaft end retainer ring, and when the first and second ball screws are arranged on the first and second screw supporting seats, the first and second ball screws are limited through the locking nuts, so that a free space of 4mm is reserved between the first and second ball screws and the screw supporting seats; the bearing surface of the nut support and the bearing surface of the sliding table are located on the same horizontal plane.
As a further improvement of the invention, the device also comprises a control mechanism, wherein the control mechanism is respectively connected with the transverse moving assembly, the material taking assembly and the longitudinal feeding assembly and is at least used for realizing the precise control of the moving distance and the rotating angle.
The invention also provides a loading and unloading method of the automatic loading and unloading device of the precision grinding machine, which comprises the following steps:
the control system controls the moving distance of the material taking assembly and the jig plate and controls the rotating angle of the clamping mechanism to realize the positioning of the clamping point of the workpiece to be ground;
the clamping mechanism clamps the workpiece to be ground and rotationally resets the workpiece to be ground, so that the workpiece to be ground is aligned to the center of a three-jaw chuck of the knife grinder required by the next grinding process;
the control system controls the material taking assembly to push forwards to grind the workpiece to be ground.
Compared with the prior art, the invention has the advantages of realizing the accurate feeding and discharging grinding of the scalpel blade with smaller size, improving the production efficiency, along with high feeding and discharging efficiency and good safety performance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of an automatic loading and unloading device of a precision grinding machine according to an embodiment of the present application;
FIG. 2 is a front view of an automatic loading and unloading device of a precision grinding machine according to an embodiment of the present application;
FIG. 3 is a top view of the traverse assembly and take-off assembly in accordance with one embodiment of the present application;
FIG. 4 is a front view of a traverse assembly and a take-off assembly in accordance with an embodiment of the present application;
FIG. 5 is a top view of a longitudinal feed assembly in an embodiment of the present application;
FIG. 6 is a side view of a longitudinal feed assembly in an embodiment of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the present application provides an automatic loading and unloading device for a precision grinding machine, which includes a base 0, a transverse moving assembly 1, a material taking assembly 2, a longitudinal feeding assembly 3, and a control mechanism; the transverse moving component 1 is erected on the base 0; the material taking assembly 2 is arranged on the transverse moving assembly 1 and can move in the x-axis direction relative to the base 0 under the action of the transverse moving assembly 1; vertical feed assembly 3 is located base 2 and is located lateral shifting subassembly 1 below, and vertical feed assembly 3 is used for realizing the material at the feeding of y axle direction, and lateral shifting subassembly 1 is connected respectively to control mechanism, gets material subassembly 2 and vertical feed assembly 3 for realize the accurate control of displacement distance and rotation angle.
The transverse moving assembly 1 comprises a first casting base 11, a support 12, a first servo motor 13, a first motor flange base 14, a first coupler 15, a first ball screw 16, a first screw support base 17 and a first screw fixing base 18; the first casting base 11 is erected on the base 0, and a first group of parallel linear guide rails 111 are arranged on the first casting base 11; the support 12 is arranged on the first group of linear guide rails 111 through a sliding table, the support 12 comprises a bottom plate 121 and a side plate 122 perpendicular to the bottom plate 121, and a through hole is formed in the center of the side plate 122; the servo motor I13 is fixed on the first casting base 11 through a first motor flange base 14; the first ball screw 16 is fixed on the first casting base 11 through a first screw support seat 17 and a first screw fixing seat 18, and is fixed with the first screw fixing seat 18 through a shaft end retainer ring; the first ball screw 16 is connected with the first servo motor 13 through a first coupler 15; the nut of the first ball screw 16 is adapted to the nut holder, which together with the slide bears the carrier 12.
The material taking assembly 2 comprises a first power mechanism and a clamping mechanism connected with the first power mechanism, and the clamping mechanism can rotate between the x axis and the z axis under the action of the first power mechanism.
The first power mechanism comprises a second servo motor 211 and a second planetary reducer 212 which are connected, the second servo motor 211 is arranged on the support 12, the second planetary reducer 212 is arranged between the second servo motor 211 and the clamping mechanism and used for reducing the speed of the second servo motor 211, the second servo motor 211 is used for realizing 0-90-degree periodic reciprocating swing of the clamping mechanism between the x axis and the z axis, an output shaft of the second planetary reducer 212 penetrates through a through hole of the support 12 and is in threaded connection with the support plate 221, and the gap between the output shaft and the through hole of the support 12 is 2 mm.
The clamping mechanism comprises a supporting plate 221, a first connecting plate 222, a mechanical joint type rodless cylinder 223, a sliding table cylinder 224, a second connecting plate 225, an extending plate 226, a clamping jaw seat 227, parallel pneumatic fingers 228, a first clamping jaw and a second clamping jaw; the planetary reducer 212 and the mechanical joint type rodless cylinder 223 are mounted on the support plate 221, the first connecting plate 222 is mounted on the sliding table surface of the mechanical joint type rodless cylinder to provide enough space for mounting the sliding table cylinder 224, the extension plate 226 is arranged at the output end of the sliding table cylinder 224, the parallel pneumatic fingers 228 are mounted on the extension plate 226 through the jaw seats 227, and the first clamping jaw and the second clamping jaw are respectively connected with the parallel pneumatic fingers 228 and can realize the grabbing of materials under the action of the parallel pneumatic fingers 228.
The longitudinal feeding assembly 3 comprises a second casting base 31, a third connecting plate 32, a third servo motor 33, a second motor flange seat 34, a second coupler 35, a second ball screw 36, a second screw supporting seat 37, a second screw fixing seat 38 and a jig plate 39; the second casting base 31 is erected on the base 0, and a second group of parallel linear guide rails 311 are arranged on the second casting base 31; the third connecting plate 32 is arranged on the second group of linear guide rails 311 through a sliding table, and the servo motor III 33 is fixed on the second casting base 31 through a second motor flange seat 34; the second ball screw 36 is fixed on the second casting base 31 through a second screw support seat 37 and a second screw fixing seat 38, and is fixed with the second screw fixing seat 38 through a shaft end retainer ring; the second ball screw 36 is connected with the third servo motor 33 through a second coupler 35; the nut adapter nut support of second ball 36, nut support and slip table bear third connecting plate 32 jointly, and tool board 39 is installed on third connecting plate 32, offers a plurality of constant head tanks that are used for placing the material on the tool board 39.
In the technical scheme, when the first and second ball screws are arranged on the first and second screw fixing seats, the first and second ball screws are further limited through the shaft end retainer ring, and when the first and second ball screws are arranged on the first and second screw supporting seats, the first and second ball screws are limited through the locking nuts, so that a free space of 4mm is reserved between the first and second ball screws and the screw supporting seats; the bearing surface of the nut bracket and the bearing surface of the sliding table are positioned on the same horizontal plane.
The preferred drive assembly of the present invention is a ball screw and linear guide. The ball screw is connected with the servo motor through a coupler, the servo motor is fixedly connected with the motor flange seat through a bolt, and the motor flange seat is fixed on the casting base through the bolt. One end of the ball screw is limited by a screw support seat, and is limited by a locking nut, so that the ball screw is only allowed to deviate within a very small section of range due to thermal expansion; the other end is axially fixed through a lead screw fixing seat and a shaft end check ring. In this embodiment, the preferred nut support passes through bolted connection on the ball screw nut, utilizes bolted connection motor support together with the slider, and then bears whole material subassembly of getting. And the linear guide rail is positioned when being installed through the installation surface of the casting base. The bottom of the screw rod fixing seat and the bottom of the screw rod supporting seat are provided with base plates so as to ensure that the screw nut bracket on the ball screw and the upper slide block on the linear guide rail are in the same mounting plane.
According to the invention, a servo motor is preferably selected to provide power (0.75kw) for the clamping mechanism and the planetary reducer is used for reducing the speed, and the flange bottom of the planetary reducer is fixed on the motor support through a bolt so as to realize the periodic reciprocating swing of the clamping mechanism within the range of 0-90 degrees.
The invention prefers a mechanical joint type rodless cylinder which is fixed on the mounting surface of the support plate through bolts. A first connecting plate is arranged between the bearing surface of the mechanical joint type rodless cylinder and the sliding table cylinder and mainly provides the mounting position of the tank chain. The first connecting plate is fixed on a bearing surface of the mechanical joint type rodless cylinder through a bolt, and one side of the sliding table cylinder with the counter bore is fixed through the bolt. The output end of the sliding table cylinder is connected with the extension block, and the size of the extension block can be determined according to actual conditions. In order to ensure the stability of the clamping end, the second connecting plate is fixed on the outer sides of the sliding table cylinder and the extension block. Because the quality of the parallel pneumatic fingers and the workpiece borne by the clamping jaw seat is smaller, the stable connection between the clamping jaw seat and the extension block can be realized only by two bolts.
Parallel pneumatic fingers are preferably selected, and the first clamping jaw and the second clamping jaw are fixedly connected to the execution ends of the parallel pneumatic fingers through bolts. The first clamping jaw and the second clamping jaw in the embodiment are made of 6063 aluminum, and the specific structure can be designed according to the characteristics of a machined part, so that the applicability of the feeding and discharging mechanism is improved.
Before the device works, workpieces to be ground are arranged in the positioning grooves of the jig plate at specific intervals. When the feeding and discharging are carried out, the numerical control system is matched with an encoder (control mechanism) to control the first servo motor so as to realize the transverse positioning of the material taking device of the transverse moving assembly on the workpiece clamping point, and the third servo motor is controlled to realize the longitudinal positioning of the longitudinal feeding assembly on the workpiece clamping point. After positioning is completed, a servo motor II and a corresponding encoder (control mechanism) control a clamping mechanism to realize 0-90-degree swing between an x axis and a z axis, a mechanical joint type rodless cylinder is inflated to enable parallel pneumatic fingers to descend to two sides of a clamp of a workpiece to be ground, the parallel pneumatic fingers are inflated, after the workpiece to be ground is clamped by a first clamping jaw and a second clamping jaw, an air source of the mechanical joint type rodless cylinder is cut, the servo motor II drives the clamping mechanism to rotate anticlockwise by 90 degrees and drives the clamping mechanism to return to the original position, and the workpiece to be ground on the first clamping jaw is enabled to be right opposite to the center of a three-jaw chuck of a knife grinder in the next working procedure; and simultaneously, connecting the air sources on the mechanical joint type rodless cylinder and the sliding table cylinder, pushing the workpiece to be ground to the three-jaw chuck, and disconnecting the air source of the parallel pneumatic finger after the three-jaw chuck fixes the workpiece. Disconnecting the air source of the mechanical joint type rodless cylinder and the sliding table cylinder, reconnecting the air source after the current workpiece is ground, taking back the machined workpiece by the first clamping jaw, and sending out the other workpiece to be ground by the second clamping jaw; after the three-jaw chuck finishes workpiece fixing, the feeding and discharging mechanism carries out secondary operation, the state of the feeding and discharging mechanism is that no workpiece is arranged on the first clamping jaw, and the second clamping jaw clamps the workpiece to be ground.
The invention also provides a loading and unloading method of the automatic loading and unloading device of the precision grinding machine, which comprises the following steps:
the control system controls the moving distance of the material taking assembly and the jig plate and controls the rotating angle of the clamping mechanism to realize the positioning of the clamping point of the workpiece to be ground;
the clamping mechanism clamps the workpiece to be ground and rotationally resets the workpiece to be ground, so that the workpiece to be ground is aligned to the center of a three-jaw chuck of the knife grinder required by the next grinding process;
the control system controls the material taking assembly to push forwards to grind the workpiece to be ground.
The concrete expression is as follows:
arranging the workpieces to be ground in the positioning grooves of the jig plate at specific intervals after the workpieces to be ground are installed by using a clamp;
the numerical control system is matched with an encoder (a control mechanism) to control a servo motor, so that a clamping point of a workpiece to be ground is positioned, and after the workpiece to be ground is clamped, the servo motor controls a clamping mechanism to return to the original position, so that the workpiece to be ground on a clamping jaw is over against the center of a three-jaw chuck of the knife grinder;
switching on air sources on the mechanical joint type rodless cylinder and the sliding table cylinder, pushing a workpiece to be ground to the three-jaw chuck, fixing the workpiece by the three-jaw chuck, then switching off the air source of the parallel pneumatic fingers, and switching off the air sources of the mechanical joint type rodless cylinder and the sliding table cylinder;
and after the workpiece is ground, the air sources of the mechanical joint type rodless cylinder and the sliding table cylinder are switched on again, the first clamping jaw takes back the machined workpiece, the second clamping jaw sends out another workpiece to be ground, after the three-jaw chuck finishes fixing the workpiece, the air sources of the mechanical joint type rodless cylinder and the sliding table cylinder are cut off, the feeding and discharging mechanism carries out secondary material taking, at the moment, the state is that no workpiece exists on the first clamping jaw, and the second clamping jaw clamps the workpiece to be ground.
Compared with the prior art, the invention has the advantages of realizing the accurate feeding and discharging grinding of the scalpel blade with smaller size, improving the production efficiency, along with high feeding and discharging efficiency and good safety performance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an automatic unloader that goes up of precision grinder which characterized in that includes:
a base;
the transverse moving assembly is erected on the base;
the material taking assembly is arranged on the transverse moving assembly and can move in the x-axis direction relative to the base under the action of the transverse moving assembly, the material taking assembly comprises a first power mechanism and a clamping mechanism connected with the first power mechanism, and the clamping mechanism can rotate between the x axis and the z axis under the action of the first power mechanism;
and the longitudinal feeding assembly is arranged on the base and positioned below the transverse moving assembly, and is used for feeding materials in the y-axis direction.
2. The automatic loading and unloading device for the precision grinding machine as claimed in claim 1, wherein the transverse moving assembly comprises:
the first casting base is erected on the base and is provided with a first group of parallel linear guide rails;
the support is arranged on the linear guide rail through a sliding table;
and the second power mechanism is arranged on the base and connected with the support, and drives the support to move in the x-axis direction relative to the first casting base.
3. The automatic loading and unloading device of claim 2, wherein the second power mechanism comprises a first servo motor, a first motor flange seat, a first coupling, a first ball screw, a first screw support seat and a first screw fixing seat;
the first servo motor is fixed on the first casting base through the first motor flange seat;
the first ball screw is fixed on the first casting base through the first screw support seat and the first screw fixing seat, and the first ball screw is connected with the first servo motor through the first coupler;
the nut of the first ball screw is connected with the nut support in a switching mode, and the nut support and the sliding table jointly bear the support.
4. The automatic loading and unloading device for the precision grinding machine as claimed in claim 2, wherein the first power mechanism comprises:
the servo motor II is arranged on the support and connected with the clamping mechanism to realize the periodic reciprocating swing of the clamping mechanism between the x axis and the z axis;
and the planetary reducer is arranged between the second servo motor and the clamping mechanism and used for reducing the speed of the second servo motor.
5. The automatic loading and unloading device for the precision grinding machine as claimed in claim 4, wherein the clamping mechanism comprises:
the supporting plate is arranged on an output shaft of the planetary reducer;
the air cylinder assembly is arranged on the supporting plate;
the clamping jaw seat is connected to an output shaft of the air cylinder assembly;
the parallel pneumatic fingers are fixedly arranged on the clamping jaw seats; and
and the clamping jaw assembly is connected with the parallel pneumatic fingers and can grab the materials under the action of the parallel pneumatic fingers.
6. The automatic loading and unloading device of claim 5, wherein the clamping jaw assembly comprises a plurality of groups of clamping jaw structures arranged on the parallel pneumatic fingers in parallel, and each group of clamping jaw structures can clamp one material.
7. The automatic loading and unloading device for the precision grinding machine as claimed in claim 1, wherein the longitudinal feeding assembly comprises:
the second casting base is erected on the base and is provided with a second group of parallel linear guide rails;
the connecting plate is arranged on the linear guide rail through a sliding table;
the jig plate is fixedly arranged on the connecting plate and used for bearing materials;
and the third power mechanism is arranged on the base and connected with the connecting plate, and drives the connecting plate to move in the y-axis direction relative to the second casting base.
8. The automatic loading and unloading device of claim 7, wherein the third power mechanism comprises a third servo motor, a second motor flange seat, a second coupling, a second ball screw, a second screw support seat and a second screw fixing seat;
the servo motor III is fixed on the second casting base through the second motor flange seat;
the second ball screw is fixed on the second casting base through the second screw support seat and the second screw fixing seat, and the second ball screw is connected with the third servo motor through the second coupler;
and the nut of the second ball screw is connected with a nut support, and the nut support and the sliding table jointly bear the connecting plate.
9. The automatic loading and unloading device of the precision grinding machine as claimed in claim 1, further comprising a control mechanism, wherein the control mechanism is respectively connected with the transverse moving assembly, the material taking assembly and the longitudinal feeding assembly, and is at least used for realizing the precise control of the moving distance and the rotating angle.
10. The loading and unloading method for the automatic loading and unloading device of the precision grinding machine as claimed in any one of claims 1 to 9, which comprises the following steps:
the control system controls the moving distance of the material taking assembly and the jig plate and controls the rotating angle of the clamping mechanism to realize the positioning of the clamping point of the workpiece to be ground;
the clamping mechanism clamps the workpiece to be ground and rotationally resets the workpiece to be ground, so that the workpiece to be ground is aligned to the center of a three-jaw chuck of the knife grinder required by the next grinding process;
the control system controls the material taking assembly to push forwards to grind the workpiece to be ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908557.0A CN111890141A (en) | 2020-09-02 | 2020-09-02 | Automatic feeding and discharging device and method for precision grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908557.0A CN111890141A (en) | 2020-09-02 | 2020-09-02 | Automatic feeding and discharging device and method for precision grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111890141A true CN111890141A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010908557.0A Pending CN111890141A (en) | 2020-09-02 | 2020-09-02 | Automatic feeding and discharging device and method for precision grinding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111890141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070609A (en) * | 2022-06-08 | 2022-09-20 | 江苏威尔德曼智能科技有限公司 | Grinder feeding machine |
-
2020
- 2020-09-02 CN CN202010908557.0A patent/CN111890141A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070609A (en) * | 2022-06-08 | 2022-09-20 | 江苏威尔德曼智能科技有限公司 | Grinder feeding machine |
| CN115070609B (en) * | 2022-06-08 | 2024-05-10 | 江苏威尔德曼智能科技有限公司 | Material feeder of grinding machine |
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